OTT HydroMet MF pro Manuale rapido

DOC026.97.80211

MF pro

07/2020, Edition 8

Basic User Manual

Manuel d'utilisation de base

Manual básico del usuario

Manual Básico do Usuário

基本用户手册

基本取扱説明書

Table of Contents

English..............................................................................................................................3

Français......................................................................................................................... 23

Español.......................................................................................................................... 44

Português...................................................................................................................... 65

中文................................................................................................................................. 86

日本語........................................................................................................................... 104

Table of Contents

1 Expanded manual version on page 3

2 Specifications on page 3

3 General information on page 5

4 Installation on page 10

5 User interface and navigation on page 14

6 Startup and self-test on page 19

7 Maintenance on page 20

8 Troubleshooting on page 21

Section 1 Expanded manual version

For additional information, refer to the expanded version of this manual, which is available on the

manufacturer's website.

Section 2 Specifications

Specifications are subject to change without notice.

2.1 Sensor specifications

Specification Details

Velocity measurement

Method Electromagnetic

Range 0 to 6.09 m/s (0 to 20 ft/s)

Minimum water depth 3.18 cm (1.25 in.)

Accuracy ±2% of reading ±0.015 m/s (±0.05 ft/s) 0 to 3.04 m/s (0 to 10 ft/s); ± 4% of reading from

3.04 to 4.87 m/s (10 to 16 ft/s)

Resolution 0 ≤ value < 10: 3 decimal places; 10 ≤ value < 100: 2 decimal places; 100 ≤ value <

1000: 1 decimal place; value ≥ 1000: 0 decimal places

Zero stability ±0.015 m/s (±0.05 ft/s)

Material ABS, glass filled

Enclosure rating IP68

Dimensions (L x W x H) 11.9 x 4.3 x 6.3 cm (4.7 x 1.7 x 2.5 in.)

Cable material Polyurethane jacketed

Cable lengths 2, 6.1, 12.2 and 30.5 m (6.5, 20, 40 and 100 ft)

Depth measurement

Method Diaphragm type: absolute pressure with single point calibration

Accuracy (static) The larger of ± 2% of reading or ± 0.015 m (± 0.504 inches). Steady state temperature

and static non-flowing water.

Range 3.05 m (0-10 ft)

Resolution 0 ≤ value < 10: 3 decimal places; 10 ≤ value < 100: 2 decimal places; 100 ≤ value <

1000: 1 decimal place; value ≥ 1000: 0 decimal places

2.2 Portable meter specifications

Specification Details

Pollution degree 2

Protection class II

English 3

Specification Details

Charging temperature 0 to 40 ºC (32 to 104 ºF)

Operating temperature –20 to 55 ºC (-4 to 131 ºF)

Storage temperature –20 to 60 ºC (-4 to 140 ºF )

Enclosure rating IP67

Battery life gauge Five-segment bar graph

Battery type Rechargeable lithium ion, 3.6 V, 5.0 Ah, 18 Wh

Battery life 18 hours heavy typical day use1; 20 ºC (68 ºF)

Battery charger External power adapter, energy efficiency VI, 100–240 VAC, 50–60 Hz, 0.5 A input;

12 VDC, 1.25 A output

Dimensions (L x W x H) 21.8 x 9.3 x 5.3 cm (8.6 x 3.7 x 2.1 in.)

USB connector Type Mini-B, 5-pin, rated to IP67 when capped

Material Polycarbonate with a thermoplastic elastomer (TPE) overmold

2.3 User interface specifications

Specification Details

Graphics display Color, LCD 3.5" QVGA transflective (readable in direct sunlight)

Measurement resolution 0 ≤ value < 10: 3 decimal places; 10 ≤ value < 100: 2 decimal places; 100 ≤ value <

1000: 1 decimal place; value ≥ 1000: 0 decimal places

Keypad Alpha-numeric

Operating modes Real time, profiling

Profile types Stream, conduit

Conduit shapes Circular, rectangular, trapezoidal, 2/3 egg, inverted 2/3 egg

Stream entries Fixed, non-fixed stations

Noise rejection User-selectable, 50 Hz or 60 Hz

Units of measure Velocity: ft/s, m/s, cm/s, mm/s

Flow: ft3/sec, million gal/day, gal/day, gal/min, m3/s, m3/min, m3/hour, m3/day, liters/s,

liters/min

Depth: in., ft, m, cm, mm

Stream flow calculation Mean-section or mid-section method

Diagnostics Self test, keypad, display, event log

Conduit profiling methods 0.9 x Vmax, 0.2/0.4/0.8, velocity and level integrator, 2D

Stream profiling methods 1, 2, 3, 4, 5 and 6 point (velocity method - USGS and ISO), 2 point KREPS method,

1 point surface method, 1 and 2 point ice method

1Defined as 30 minutes of set up, six 1-hour periods of continuous use with an active sensor and

the display at maximum brightness and 30 minutes of sleep mode between use periods, data

download and power off.

4 English

Specification Details

File types Real-time, profiling, event log

Languages English, French, Spanish, German, Italian, Dutch, Danish, Swedish, Chinese, Polish,

Japanese, Korean, Portuguese, Slovak, Russian, Hungarian, Bulgarian, Romanian,

Czech, Turkish, Finnish, Greek

2.4 General specifications

Specification Details

Maximum number of real-time files 50 each with up to 75 readings captured by the user.

Firmware The sensor and portable meter are field upgradeable via USB

Section 3 General information

In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential

damages resulting from any defect or omission in this manual. The manufacturer reserves the right to

make changes in this manual and the products it describes at any time, without notice or obligation.

Revised editions are found on the manufacturer’s website.

3.1 Safety information

N O T I C E

The manufacturer is not responsible for any damages due to misapplication or misuse of this product including,

without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent

permitted under applicable law. The user is solely responsible to identify critical application risks and install

appropriate mechanisms to protect processes during a possible equipment malfunction.

Please read this entire manual before unpacking, setting up or operating this equipment. Pay

attention to all danger and caution statements. Failure to do so could result in serious injury to the

operator or damage to the equipment.

Make sure that the protection provided by this equipment is not impaired. Do not use or install this

equipment in any manner other than that specified in this manual.

3.1.1 Use of hazard information

D A N G E R

Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.

WARNING

Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious

injury.

CAUTION

Indicates a potentially hazardous situation that may result in minor or moderate injury.

N O T I C E

Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special

emphasis.

English 5

3.1.2 Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument

could occur if not observed. A symbol on the instrument is referenced in the manual with a

precautionary statement.

This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential

injury. If on the instrument, refer to the instruction manual for operation or safety information.

This symbol indicates the presence of devices sensitive to Electro-static Discharge (ESD) and

indicates that care must be taken to prevent damage with the equipment.

Electrical equipment marked with this symbol may not be disposed of in European domestic or public

disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no charge to

the user.

3.1.3 Certification

CAUTION

This equipment is not intended for use in residential environments and may not provide adequate protection to

radio reception in such environments.

Canadian Radio Interference-Causing Equipment Regulation, ICES-003, Class A:

Supporting test records reside with the manufacturer.

This Class A digital apparatus meets all requirements of the Canadian Interference-Causing

Equipment Regulations.

Cet appareil numérique de classe A répond à toutes les exigences de la réglementation canadienne

sur les équipements provoquant des interférences.

FCC Part 15, Class "A" Limits

Supporting test records reside with the manufacturer. The device complies with Part 15 of the FCC

Rules. Operation is subject to the following conditions:

1. The equipment may not cause harmful interference.

2. The equipment must accept any interference received, including interference that may cause

undesired operation.

Changes or modifications to this equipment not expressly approved by the party responsible for

compliance could void the user's authority to operate the equipment. This equipment has been tested

and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules.

These limits are designed to provide reasonable protection against harmful interference when the

equipment is operated in a commercial environment. This equipment generates, uses and can

radiate radio frequency energy and, if not installed and used in accordance with the instruction

manual, may cause harmful interference to radio communications. Operation of this equipment in a

residential area is likely to cause harmful interference, in which case the user will be required to

correct the interference at their expense. The following techniques can be used to reduce

interference problems:

1. Disconnect the equipment from its power source to verify that it is or is not the source of the

interference.

2. If the equipment is connected to the same outlet as the device experiencing interference, connect

the equipment to a different outlet.

3. Move the equipment away from the device receiving the interference.

4. Reposition the receiving antenna for the device receiving the interference.

5. Try combinations of the above.

6 English

3.2 Product overview

The portable velocity system is used in the field, laboratory and municipalities. Turbulent, noisy and

low flows can be measured with this system.

When the sensor is placed in flowing water, a magnetic field around the sensor creates a voltage

proportional to the flow velocity. This voltage amplitude, which represents the rate of water flow

around the sensor, is detected by electrodes in the sensor and processed by the sensor

microprocessor. The processed signal is digitally transmitted through the sensor cable to the portable

meter and the information is shown on the meter display. The system includes a portable meter,

sensor with cable and accessories.

The meter and sensor get velocity information in conduits and streams. These measurements are

important for calibration in municipal wastewater industries, as well as for developing and maintaining

stage discharge relationship curves.

Two types of sensor are available: velocity-only and velocity plus depth. This manual covers both

types of sensors. If information applies to a specified type of sensor, this fact is noted in the text.

3.2.1 System overview

An overview of an assembled system is shown in Figure 1. Refer to the documentation supplied with

the individual components or accessories for more information.

English 7

Figure 1 Assembled components

1 Portable meter 7 Sensor height lock/release screw (accessory)

2 Sensor height lock/release device 8 20 mm/HERES wading rod adapter (accessory)

3 Top setting wading rod (accessory) 9 20 mm wading rod (accessory)

4 Sensor cable 10 HERES wading rod (accessory)

5 Adjustable mount for portable meter 11 Sensor height lock/release screw

6 Sensor assembly

3.2.2 Sensor overview

Figure 2 shows the main sensor components. Instructions for how to attach the sensor on a standard

or top-setting or HERES or 20 mm wading rod are supplied with the accessory.

8 English

Figure 2 Sensor components

1 Sensor electrodes 5 Pressure cell (sensors with depth option)

2 Sensor body 6 Sensor with depth option

3 Sensor connection plug 7 Sensor without depth option

4 Sensor attachment thumb screw

3.2.3 Meter overview

Figure 3 shows the features of the meter.

Figure 3 Meter components

1 USB connection port26 Threaded hole for adjustable meter mount

2 Keypad 7 Slots for velcro or strap attachment

3 Meter display 8 Slot for neck strap attachment threads (2x)

4 Expansion port (not used) 9 Sensor connection port

5 Battery compartment cover 10 Battery charger connector

2Do not use the USB connection to charge the battery.

English 9

3.3 Product components

When purchasing a complete system, refer to Figure 4 to make sure that all components have been

received. If any of these items are missing or damaged, contact the manufacturer or a sales

representative immediately.

Figure 4 System components

1 Carrying case (with slot for sensor cable) 8 Universal sensor mount

2 USB cable with mini-USB connector, 1 m (3 ft) 9 Velcro strap

3 Adjustable portable meter mount 10 Lanyard

4 Battery charger, 100–240 VAC 11 Portable meter

5 Sensor 12 Lithium battery pack

6 Extra thumb screws (4x) 13 Sensor as connected to meter inside case

7 Cloth to dry the sensor

Section 4 Installation

4.1 Install the sensor on the universal sensor mount

Use the universal sensor mount to attach the sensor to poles 1 inch or less in diameter. For correct

operation and accurate readings, the front of the sensor must be pointed upstream with the

electrodes in full contact with the flow.

Note: Keep the sensor electrodes free from nonconductive substances such as oil and grease. To remove sensor

contamination, refer to Clean the sensor on page 20.

1. The front part of the sensor is round and contains three electrodes. The sensor has a mounting

hole in back and a thumbscrew on top. Put the mounting shaft of the universal mount in the

mounting hole at the back of the sensor. Make sure that the mounting shaft is completely

engaged with the mounting hole and the thumbscrew is engaged with the groove.

2. Hand tighten the thumbscrew.

3. Move a pole 1 inch or less in diameter through the clamp of the universal sensor mount. Tighten

the clamp.

Note: Instructions for how to mount the sensor on a standard, top-setting, HERES or 20 mm wading rod are

supplied with the accessory.

10 English

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